The mailing list for listmasters using Sympa

[address@concealed]

Olivier,

     Thank you for your detailed and thoughtful response to my
     question about one-time use lists.  This is all very
     helpful.  In your scenario about a possible future one-time
     use list mechanism being added to Sympa, you wrote:

> A one-time list is created to send a single message and is then
> removed ... Once it has been created (and tagged as one-time) we
> need to trigger its removal.

     With a 'normal' discussion list, a typical subscriber
     posting to the list normally does not see the non-delivery
     messages that are generated because of stale subscriber
     addresses.  This is a good thing (tm) since the average
     poster is not in a position to, nor is responsible for,
     cleaning up a list's subscriber entries, so s/he certainly
     shouldn't be receiving such messages.  That's the list
     owner's responsibility.

     However with our one-time use lists, we make the poster the
     temporary owner of the list.  We do this for two reasons.
     One is for security, since we want to tightly control
     posting rights and ListProc has a 'post-by-owner-only'
     feature.  But the second is that we actually *want* the
     poster to see all the bounces.  If nothing else it helps to
     bring home the idea that when a posting is being made to
     10,000 people, not all of those people will necessarily see
     that posting, for many reasons beyond our control.

     In the automatically disappearing list scenario you describe
     above, I would normally expect all of the information about
     the list to evaporate.  But I think it would be a good idea
     to still have some way of associating the original poster to
     the list for some window of time, so that things like
     bounces or replies can still be directed back to the poster
     as appropriate.

     Again, thanks for timely and thoughtful reply.  I'm
     confident that we should have no problems using Sympa for
     our 'mass mailing' needs.


                                                    ...BC

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